Forget all the super cool selfies you've seen so far. Let this one take the cake. Astronaut Mike Hopkins snapped a photo of himself in full astronaut suit while outside of the ISS as he was spacewalking on Christmas Eve. Also: #nofilter.

NASA said on its Instagram:
On Dec. 24, 2013, NASA astronaut Mike Hopkins, Expedition 38 Flight Engineer, participates in the second of two U.S. spacewalks, spread over a four-day period, which were designed to allow the crew to change out a faulty water pump on the exterior of the Earth-orbiting International Space Station. He was joined on both spacewalks by NASA astronaut Rick Mastracchio, whose image shows up in Hopkins' helmet visor.
Here it is in full: